GNU Radio 3.5.3.2 C++ API
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00001 /* -*- c++ -*- */ 00002 /* 00003 * Copyright 2004 Free Software Foundation, Inc. 00004 * 00005 * This file is part of GNU Radio 00006 * 00007 * GNU Radio is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 3, or (at your option) 00010 * any later version. 00011 * 00012 * GNU Radio is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with GNU Radio; see the file COPYING. If not, write to 00019 * the Free Software Foundation, Inc., 51 Franklin Street, 00020 * Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #ifndef INCLUDED_GR_SIMPLE_FRAMER_H 00024 #define INCLUDED_GR_SIMPLE_FRAMER_H 00025 00026 #include <gr_core_api.h> 00027 #include <gr_block.h> 00028 00029 class gr_simple_framer; 00030 typedef boost::shared_ptr<gr_simple_framer> gr_simple_framer_sptr; 00031 00032 GR_CORE_API gr_simple_framer_sptr gr_make_simple_framer (int payload_bytesize); 00033 00034 /*! 00035 * \brief add sync field, seq number and command field to payload 00036 * \ingroup sync_blk 00037 */ 00038 class GR_CORE_API gr_simple_framer : public gr_block 00039 { 00040 int d_seqno; 00041 int d_payload_bytesize; 00042 int d_input_block_size; // bytes 00043 int d_output_block_size; // bytes 00044 00045 friend GR_CORE_API gr_simple_framer_sptr gr_make_simple_framer (int payload_bytesize); 00046 gr_simple_framer (int payload_bytesize); 00047 00048 public: 00049 void forecast (int noutput_items, 00050 gr_vector_int &ninput_items_required); 00051 00052 int general_work (int noutput_items, 00053 gr_vector_int &ninput_items, 00054 gr_vector_const_void_star &input_items, 00055 gr_vector_void_star &output_items); 00056 }; 00057 00058 00059 #endif /* INCLUDED_GR_SIMPLE_FRAMER_H */